use UNUSED consistently (#350)

Signed-off-by: John Levon <john.levon@nutanix.com>
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/lib/dma.h b/lib/dma.h
index 35cda83..7ff2828 100644
--- a/lib/dma.h
+++ b/lib/dma.h
@@ -286,9 +286,6 @@ dma_map_sg(dma_controller_t *dma, const dma_sg_t *sg, struct iovec *iov,
     return 0;
 }
 
-/* FIXME useless define */
-#define UNUSED __attribute__((unused))
-
 static inline void
 dma_unmap_sg(dma_controller_t *dma, const dma_sg_t *sg,
 	     UNUSED struct iovec *iov, int cnt)